664041152 has 14 divisors (see below), whose sum is σ = 1317706788. Its totient is φ = 332020544.

The previous prime is 664041151. The next prime is 664041167. The reversal of 664041152 is 251140466.

It is not an unprimeable number, because it can be changed into a prime (664041151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5187758 + ... + 5187885.

Almost surely, 2^664041152 is an apocalyptic number.

It is an amenable number.

664041152 is a deficient number, since it is larger than the sum of its proper divisors (653665636).

664041152 is a wasteful number, since it uses less digits than its factorization.

664041152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10375655 (or 10375645 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 664041152 is about 25768.9959447395. The cubic root of 664041152 is about 872.4321568034.

The spelling of 664041152 in words is "six hundred sixty-four million, forty-one thousand, one hundred fifty-two".